/*
 * Copyright © 2012 The Feign Authors (feign@commonhaus.dev)
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package feign.soap;

import static feign.Util.UTF_8;
import static org.assertj.core.api.Assertions.assertThat;
import static org.junit.jupiter.api.Assertions.assertThrows;

import feign.FeignException;
import feign.Request;
import feign.Request.HttpMethod;
import feign.Response;
import feign.Util;
import feign.jaxb.JAXBContextFactory;
import jakarta.xml.soap.SOAPConstants;
import jakarta.xml.ws.soap.SOAPFaultException;
import java.io.DataInputStream;
import java.io.IOException;
import java.io.InputStream;
import java.util.Collections;
import org.junit.jupiter.api.Test;

@SuppressWarnings("deprecation")
class SOAPFaultDecoderTest {

  private static byte[] getResourceBytes(String resourcePath) throws IOException {
    InputStream resourceAsStream = SOAPFaultDecoderTest.class.getResourceAsStream(resourcePath);
    byte[] bytes = new byte[resourceAsStream.available()];
    new DataInputStream(resourceAsStream).readFully(bytes);
    return bytes;
  }

  @Test
  void soapDecoderThrowsSOAPFaultException() throws IOException {

    Response response =
        Response.builder()
            .status(200)
            .reason("OK")
            .request(
                Request.create(HttpMethod.GET, "/api", Collections.emptyMap(), null, Util.UTF_8))
            .headers(Collections.emptyMap())
            .body(getResourceBytes("/samples/SOAP_1_2_FAULT.xml"))
            .build();

    SOAPDecoder decoder =
        new SOAPDecoder.Builder()
            .withSOAPProtocol(SOAPConstants.SOAP_1_2_PROTOCOL)
            .withJAXBContextFactory(new JAXBContextFactory.Builder().build())
            .build();

    Throwable exception =
        assertThrows(SOAPFaultException.class, () -> decoder.decode(response, Object.class));
    assertThat(exception.getMessage()).contains("Processing error");
  }

  @Test
  void errorDecoderReturnsSOAPFaultException() throws IOException {
    Response response =
        Response.builder()
            .status(400)
            .reason("BAD REQUEST")
            .request(
                Request.create(HttpMethod.GET, "/api", Collections.emptyMap(), null, Util.UTF_8))
            .headers(Collections.emptyMap())
            .body(getResourceBytes("/samples/SOAP_1_1_FAULT.xml"))
            .build();

    Exception error = new SOAPErrorDecoder().decode("Service#foo()", response);
    assertThat(error)
        .isInstanceOf(SOAPFaultException.class)
        .hasMessage("Message was not SOAP 1.1 compliant");
  }

  @Test
  void errorDecoderReturnsFeignExceptionOn503Status() throws IOException {
    Response response =
        Response.builder()
            .status(503)
            .reason("Service Unavailable")
            .request(
                Request.create(HttpMethod.GET, "/api", Collections.emptyMap(), null, Util.UTF_8))
            .headers(Collections.emptyMap())
            .body("Service Unavailable", UTF_8)
            .build();

    Exception error = new SOAPErrorDecoder().decode("Service#foo()", response);

    assertThat(error)
        .isInstanceOf(FeignException.class)
        .hasMessage(
            "[503 Service Unavailable] during [GET] to [/api] [Service#foo()]: [Service"
                + " Unavailable]");
  }

  @Test
  void errorDecoderReturnsFeignExceptionOnEmptyFault() throws IOException {
    String responseBody =
        """
        <?xml version = '1.0' encoding = 'UTF-8'?>
        <SOAP-ENV:Envelope
           xmlns:SOAP-ENV = "http://schemas.xmlsoap.org/soap/envelope/"
           xmlns:xsi = "http://www.w3.org/1999/XMLSchema-instance"
           xmlns:xsd = "http://www.w3.org/1999/XMLSchema">
           <SOAP-ENV:Body>
           </SOAP-ENV:Body>
        </SOAP-ENV:Envelope>\
        """;
    Response response =
        Response.builder()
            .status(500)
            .reason("Internal Server Error")
            .request(
                Request.create(HttpMethod.GET, "/api", Collections.emptyMap(), null, Util.UTF_8))
            .headers(Collections.emptyMap())
            .body(responseBody, UTF_8)
            .build();

    Exception error = new SOAPErrorDecoder().decode("Service#foo()", response);

    assertThat(error)
        .isInstanceOf(FeignException.class)
        .hasMessage(
            "[500 Internal Server Error] during [GET] to [/api] [Service#foo()]: ["
                + responseBody
                + "]");
  }
}
